| Date of Incident | Name - links to more information | Branch of Service | Notes |
| 10-Mar-66 | XAVIER AUGUSTO MARIA | USMC | |
| 25-OCT-83 | XIA JING SHENG | CIV | Glomar Java Sea |
| 25-OCT-83 | XING XING | CIV | Glomar Java Sea |
| 25-OCT-83 | XU HUI | CIV | Glomar Java Sea |
| 25-OCT-83 | XU MING RUI | CIV | Glomar Java Sea |